码迷,mamicode.com
首页 > 其他好文 > 详细

docker入门基础(四)

时间:2018-12-10 18:26:36      阅读:301      评论:0      收藏:0      [点我收藏+]

标签:镜像   目录   sts   docker   docker-ce   OLE   exp   txt   属性   

目录

六、杂项

Docker组件:
docker程序环境:
环境配置文件:
/etc/sysconfig/docker-network
/etc/sysconfig/docker-storage
/etc/sysconfig/docker
Unit File:
/usr/lib/systemd/system/docker.service
Docker Registry配置文件:
/etc/containers/registries.conf
docker-ce:
配置文件:/etc/docker/daemon.json
Docker镜像加速
docker cn
阿里云加速器
中国科技大学
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
注册阿里云账号,专用加速器地址获得路径:
https://cr.console.aliyun.com/#/accelerator

Client <--> Daemon <--> Registry Server

逻辑:
Containers:容器
Images:镜像、映像
Registry:Image Repositories
容器的状态:
created:
runing:
paused:
stopped:
deleted:
docker
images
pull
run
ps
查看docker相关的信息:
version
info
镜像:
images
rmi
pull
容器:
run:创建并运行一个容器;
create:创建一个容器;
start:启动一个处于停止状态容器;
创建:
create
run
启动:
start
停止:
kill
stop
重启:
restart
暂停和继续:
pause
unpause
删除容器:
rm
run --rm
创建容器:
基于“镜像文件”,
镜像文件有默认要运行的程序;
注意:
运行的容器内部必须有一个工作前台的运行的进程;
docker的容器的通常也是仅为运行一个程序;
要想在容器内运行多个程序,一般需要提供一个管控程序,例如supervised。
run, create
--name CT_NAME
--rm:容器运行终止即自行删除
--network BRIDGE:让容器加入的网络;
默认为docker0;
交互式启动一个容器:
-i:--interactive,交互式;2018/8/23 Docker.txt
file:///C:/Users/Administrator/Desktop/Docker.txt 3/14
-t:Allocate a pseudo-TTY
从终端拆除:ctrl+p, ctrl+q
attach:附加至某运行状态的容器的终端设备;
exec:让运行中的容器运行一个额外的程序;
查看:
logs:Fetch the logs of a container,容器内部程序运行时输出到终端的信息;
ps:List containers
-a, --all:列出所有容器;
--filter, -f:过滤器条件显示
name=
status={stopped|running|paused}
stats:动态方式显示容器的资源占用状态:
top:Display the running processes of a container
Docker Hub:
docker login
docker logout
docker push
docker pull
镜像制作:
基于容器制作
在容器中完成操作后制作;
基于镜像制作
编辑一个Dockerfile,而后根据此文件制作;
基于容器制作:
docker commit
docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
--author, -a
--pause, -p
--message, -m
--change, -c
将镜像文件导出为tar文件:
docker save
Save one or more images to a tar archive (streamed to STDOUT by default)
docker save [OPTIONS] IMAGE [IMAGE...]
从tar文件导入镜像 :
docker load
Load an image from a tar archive or STDIN
docker load [OPTIONS]
--input, -i Read from tar archive file, instead of STDIN
--quiet, -q false Suppress the load output
Docker参考手册:
https://docs.docker.com/engine/reference/commandline/dockerd/
配置docker守护进程的属性信息的方法:/etc/docker/daemon.json
每一个可设置的键是dockerd的可用的选项,其值为选项的参数;但有些参数不可用于此文件中,例如add-registry,
insecure-registry;
有些选项的参数是数组的格式,需要放置于[];
官方手册(完整的可用参数列表):
https://docs.docker.com/engine/reference/commandline/dockerd/#run-multiple-daemons
{
"authorization-plugins": [],2018/8/23 Docker.txt
file:///C:/Users/Administrator/Desktop/Docker.txt 4/14
"data-root": "",
"dns": [],
"dns-opts": [],
"dns-search": [],
"exec-opts": [],
"exec-root": "",
"experimental": false,
"storage-driver": "",
"storage-opts": [],
"labels": [],
"live-restore": true,
"log-driver": "",
"log-opts": {},
"mtu": 0,
"pidfile": "",
"cluster-store": "",
"cluster-store-opts": {},
"cluster-advertise": "",
"max-concurrent-downloads": 3,
"max-concurrent-uploads": 5,
"default-shm-size": "64M",
"shutdown-timeout": 15,
"debug": true,
"hosts": [],
"log-level": "",
"tls": true,
"tlsverify": true,
"tlscacert": "",
"tlscert": "",
"tlskey": "",
"swarm-default-advertise-addr": "",
"api-cors-header": "",
"selinux-enabled": false,
"userns-remap": "",
"group": "",
"cgroup-parent": "",
"default-ulimits": {},
"init": false,
"init-path": "/usr/libexec/docker-init",
"ipv6": false,
"iptables": false,
"ip-forward": false,
"ip-masq": false,
"userland-proxy": false,
"userland-proxy-path": "/usr/libexec/docker-proxy",
"ip": "0.0.0.0",
"bridge": "",
"bip": "",
"fixed-cidr": "",
"fixed-cidr-v6": "",
"default-gateway": "",
"default-gateway-v6": "",
"icc": false,
"raw-logs": false,
"allow-nondistributable-artifacts": [],
"registry-mirrors": [],
"seccomp-profile": "",
"insecure-registries": [],
"disable-legacy-registry": false,
"no-new-privileges": false,
"default-runtime": "runc",
"oom-score-adjust": -500,
"runtimes": {
"runc": {
"path": "runc"
},
"custom": {
"path": "/usr/local/bin/my-runc-replacement",
"runtimeArgs": [
"--debug"]
}
}
}

dockerd守护进程的C/S,其默认仅监听Unix SOcket格式的地址,/var/run/docker.sock;如果使用TCP套接字,
/etc/docker/daemon.json:
"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]
也可向dockerd直接传递“-H|--host”选项;
自定义docker0桥的网络属性信息:/etc/docker/daemon.json文件
{
"bip": "192.168.1.5/24",
"fixed-cidr": "10.20.0.0/16",
"fixed-cidr-v6": "2001:db8::/64",
"mtu": 1500,
"default-gateway": "10.20.1.1",
"default-gateway-v6": "2001:db8??:89",
"dns": ["10.20.1.2","10.20.1.3"]
}
核心选项为bip,即bridge ip之意,用于指定docker0桥自身的IP地址;其它选项可通过此地址计算得出。
文档路径:
https://docs.docker.com/engine/userguide/networking/default_network/custom-docker0/
容器构建示例:
https://github.com/mysql/mysql-docker
容器的资源限制:
CPU:
RAM:
Device:
--device-read-bps value Limit read rate (bytes per second) from a device (default [])
--device-read-iops value Limit read rate (IO per second) from a device (default [])
--device-write-bps value Limit write rate (bytes per second) to a device (default [])
--device-write-iops value Limit write rate (IO per second) to a device (default [])
Docker private Registry的Nginx反代配置方式:
client_max_body_size 0;
location / {
proxy_pass http://registrysrvs;
proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
proxy_redirect off;
proxy_buffering off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
auth_basic "Docker Registry Service";
auth_basic_user_file "/etc/nginx/.ngxpasswd";
}
Docker-distribution配置文件格式详细信息:
https://docs.docker.com/registry/configuration/#list-of-configuration-options

docker入门基础(四)

标签:镜像   目录   sts   docker   docker-ce   OLE   exp   txt   属性   

原文地址:https://www.cnblogs.com/wlbl/p/10096915.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!